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Installation and Operating Instructions for
Rubber-Metal Pipe Connectors, Type GRV
General information
The rubber-metal pipe connectors are aptitude-tested by TÜV [German safety standards
authority] from DN 20 to DN 200, and they are suitable for being used in hot water and
heating systems with a maximum safety temperature of up to 100°C/10 bar, TÜV Anla-
gen- u. Umwelttechnik Prüf-Nr. [TÜV plant and environmental technology approval number]
010 11 41.
Rubber-metal pipe connectors are designed as insulating elements for disrupting the trans-
mission of sound and damping slight noise vibrations.
Not to be used to absorb vibrations, expansions, tensions, and shifting.
STENFLEX
rubber-metal pipe connectors can only work properly if they are installed ac-
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cording to good professional practice. Their service life depends not only on the
operating conditions, but primarily on whether they are installed correctly. Rubber-metal
pipe connectors are not simple pipe elements, but parts that have to be checked
regularly.
Rubber-metal pipe connectors are special pipeline system components. STENFLEX
not give any guarantee for reproduced products or modifications of the original products.
To avoid installation errors, please observe the following instructions under conside-
ration of the dimensioned technical diagrams in our catalogue.
CAUTION: FAILURE to comply may lead to the destruction of the rubber-metal pipe
connector, personal injuries, or environmental endangerment.
In case of doubt, please call our Technical Advisory Service under:
+49 (0) 40 / 5 29 03-0
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Installation
Store the rubber-metal pipe connector in a clean and dry place. If stored outdoors,
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protect it from direct sunlight and weather factors.
Prior to installation, make sure the packaging and the rubber-metal pipe connector are
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not damaged. In case of damage of any kind, the product may not be installed.
Keep the inside and the outside of the rubber-metal pipe connector clear of foreign
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objects (e.g. contamination, insulating material, etc.), and check this before and after
installation.
The rubber-metal pipe connector may only be installed by authorised and qualified per-
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sonnel. The applicable accident prevention regulations must be observed.
Do not throw the rubber-metal pipe connector or knock against it; protect it from falling
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objects. Do not connect any chains or ropes to the rubber doughnut.
The pipeline must be flush with the flange holes at the installation position.
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Install the rubber-metal pipe connectors stress-free; do not subject them to stress by
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tension, torsion, or bending. Do not use them as expansion joints!
A low pressure load is beneficial during installation: installation gap BL.
9
GB
does
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